<h1 style="font-size:15px;font-weight:bold;"><div class="modal-header">Đăng Nhập!</div></h1>
<div class="modal-body">
    <form role="form" action="" method="post">
        <div class="input-group form-group">
            <span class="input-group-addon"><span class="glyphicon glyphicon-user"></span></span>                                                                                                            
            <?php echo $this->element->username;?>
        </div>
        <div class="input-group form-group">
            <span class="input-group-addon"><span class="glyphicon glyphicon-lock"></span></span>
            <?php echo $this->element->password;?>                                    
        </div>                                
            <?php echo $this->element->submit;?>                                
    </form>
</div>   